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    <script>
        //数组转换为分割字符串1|2|3|4   "|"为分隔符号
        var str = '';
        var arr = [1, 2, 3, 4, 5, 6, 7, 8];
        for (var i = 0; i < arr.length; i++) {
            if (i < arr.length - 1) {
                str = str + arr[i] + '|';
            } else {
                str = str + arr[i];
            }
        }
        console.log(str);
    </script>
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